In 2009, a survey was conducted to form a picture of the availability and scope of services offered by National Reference Laboratories in EU and EEA countries with respect to six priority food and waterborne pathogens: Campylobacter, Listeria, Salmonella, Shigella, Shiga toxin/verotoxin–producing Escherichia coli (STEC/VTEC) and Yersinia.